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Physics, 22.06.2019 03:00
Do you agree with scientistโs prediction about the warming of alaska and other polar regions?
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Physics, 22.06.2019 03:50
The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error
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Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
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Physics, 22.06.2019 11:00
What is the measurement of how fast an object moves relative to a reference point?
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Light enters a piece of glass from air at an angle of 20o. It refracts at an angle of 14o. Find the...
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